$557 Find Cheap Flights from Washington to Australia

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Useful Info

Good to know

Low seasonMay
High seasonDecember
Cheapest flight$557
Best time to beat the crowds but there is an average 6% increase in price.
Most popular time to fly (39% more expensive on average)
Flight from Portland to Sydney

FAQs for booking flights from Washington to Australia

  • How does KAYAK find such low prices on flights from Washington to Australia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Australia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Australia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Washington to Australia is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington to Australia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Washington to Australia with an airline and back with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Australia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Washington to Australia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest day to fly to Australia?

    Based on KAYAK data, the cheapest day to fly to Australia is Monday when return tickets can be as cheap as $1,471. On the other hand, the most expensive day to fly is Saturday, when return prices are $1,777 on average.

  • What is the cheapest time of day to fly to Australia?

    The cheapest time of day to fly to Australia is generally in the evening, when round-trip flights cost $923 on average. Morning departures are around 23% more expensive than evening flights, on average. The most expensive time of day to fly to Australia is generally in the morning, which is peak travel time and where the average cost of a ticket is $1,133.

  • What is the cheapest month to fly from Washington to Australia?

    The cheapest month for flights from Washington to Australia is March, when tickets cost $1,567 (return) on average. On the other hand, the most expensive months are December and January, when the average cost of round-trip tickets is $2,215 and $1,925 respectively.

  • How far in advance should I book a flight from Washington to Australia?

    To get a below-average price on the flight from Washington to Australia, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 24 weeks before departure.

  • How long is the flight to Australia?

    An average direct flight from Washington to Australia takes 25h 59m, covering a distance of 20533 km. The shortest route is Portland (PDX) to Brisbane (BNE) with an average flight time of 17h 52m.

  • What are the most popular destinations in Australia?

    Based on KAYAK flight searches, the most popular destination is Sydney (42% of total searches to Australia). The next most popular destinations are Melbourne (24%) and Brisbane (16%). Searches for flights to Adelaide (6%), to Perth (6%), and to Coolangatta (2%) are also popular.

Book cheap flights from Washington to Australia

Recent return flight deals

2/8Sat
1 stopAlaska Airlines
27h 35mPDX-SYD
15/8Fri
1 stopAlaska Airlines
19h 21mSYD-PDX
$1,071
6/8Wed
1 stopAlaska Airlines
25h 34mPDX-SYD
27/8Wed
1 stopAlaska Airlines
21h 14mSYD-PDX
$1,114
2/9Tue
1 stopQantas Airways
23h 09mPDX-SYD
23/9Tue
1 stopQantas Airways
24h 20mSYD-PDX
$1,178
14/8Thu
1 stopQantas Airways
23h 33mSEA-SYD
9/9Tue
1 stopQantas Airways
20h 40mSYD-SEA
$1,190
7/9Sun
1 stopAir Canada
28h 20mSEA-SYD
16/9Tue
1 stopAir Canada
21h 56mSYD-SEA
$1,199
5/9Fri
1 stopAir Canada
18h 40mPDX-SYD
18/9Thu
1 stopAir Canada
17h 01mSYD-PDX
$1,214
8/8Fri
1 stopUnited Airlines
31h 15mSEA-SYD
21/8Thu
2 stopsUnited Airlines
28h 24mSYD-SEA
$1,220
4/8Mon
1 stopAmerican Airlines
24h 00mSEA-SYD
18/8Mon
2 stopsAmerican Airlines
24h 32mSYD-SEA
$1,229
4/8Mon
1 stopAmerican Airlines
22h 17mSEA-SYD
18/8Mon
1 stopAmerican Airlines
20h 48mSYD-SEA
$1,231
5/8Tue
2 stopsUnited Airlines
23h 36mSEA-SYD
24/8Sun
1 stopUnited Airlines
20h 13mSYD-SEA
$1,254

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Recent one-way flight deals

12/8Tue
1 stopAlaska Airlines
23h 15mPDX-SYD
$557
4/11Tue
1 stopQantas Airways
21h 30mSEA-SYD
$568
9/9Tue
2 stops
31h 05mPDX-SYD
$587
18/8Mon
1 stopAmerican Airlines
22h 12mSEA-SYD
$593
11/8Mon
1 stop
20h 21mSEA-SYD
$598
29/9Mon
1 stopUnited Airlines
24h 55mSEA-SYD
$604
2/8Sat
2 stopsAmerican Airlines
22h 50mPDX-SYD
$610
9/7Wed
2 stopsUnited Airlines
29h 03mSEA-SYD
$610
2/8Sat
1 stopDelta
27h 20mPDX-SYD
$622
25/12Thu
1 stopDelta
41h 35mPDX-MEL
$1,258

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Last minute flights from Washington to Australia

Last minute flight, train and bus deals

4/7Fri
multi-stopQantas Airways
23h 25mSEA-SYD
11/7Fri
multi-stopQantas Airways
21h 32mSYD-SEA
$1,261
4/7Fri
multi-stop
23h 25mSEA-SYD
11/7Fri
multi-stop
20h 15mSYD-SEA
$1,284
4/7Fri
multi-stopUnited Airlines
29h 03mSEA-SYD
11/7Fri
multi-stopUnited Airlines
21h 16mSYD-SEA
$1,310
4/7Fri
multi-stopUnited Airlines
29h 03mSEA-SYD
11/7Fri
multi-stopUnited Airlines
28h 26mSYD-SEA
$1,312
5/7Sat
multi-stopAmerican Airlines
32h 30mPDX-SYD
24/7Thu
multi-stopAmerican Airlines
22h 13mSYD-PDX
$1,461
5/7Sat
multi-stopAmerican Airlines
32h 30mPDX-SYD
24/7Thu
multi-stopAmerican Airlines
22h 37mSYD-PDX
$1,468
5/7Sat
multi-stopFiji Airways
25h 15mSEA-MEL
25/7Fri
multi-stopFiji Airways
36h 19mMEL-SEA
$2,154
5/7Sat
multi-stopFiji Airways
25h 05mSEA-ADL
31/7Thu
multi-stopFiji Airways
25h 01mADL-SEA
$2,173
7/7Mon
multi-stopAir Canada
18h 50mSEA-BNE
28/7Mon
multi-stopAir Canada
29h 36mBNE-SEA
$2,313
8/7Tue
multi-stopAir Canada
22h 40mPDX-BNE
24/7Thu
multi-stopAir Canada
16h 10mBNE-PDX
$2,342

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Everything you need to know for your flight to Australia

Cabin class types available on flights to Washington

Cabin classes available on flights to Washington. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.

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